python argparse add argument

argparse is a powerful module in Python that allows you to easily parse command-line arguments. It provides a convenient way to specify the arguments your script can accept and automatically generates help messages. The add_argument method is a fundamental part of argparse that allows you to define and customize the command-line arguments.
argparse is included in the Python Standard Library, so you don't need to install anything extra. It is available in Python 2.7 and Python 3.x.
Let's start with a simple example. Suppose you want to create a script that takes two integer arguments and adds them together. Here's how you can use add_argument:
In this example:
To run this script, open a terminal and type:
You can also define optional arguments using the add_argument method. Here's an example:
In this example:
To run this script, you can use commands like:
You can set default values for arguments using the default parameter of add_argument. Here's an example:
In this example, if you run the script without specifying the --name argument, it will default to "World."
This will print "HELLO, WORLD!"
The argparse module simplifies the process of handling command-line arguments in Python. By using the add_argument method, you can easily define the arguments your script needs, specify their types, and provide helpful descriptions. Experiment with different options and see how argparse can streamline the interaction between your Python scripts and the command line.
ChatGPT